Earth & Environmental Sciences
population migration
82%
range expansion
72%
population structure
62%
genomics
57%
genetic structure
17%
genetic diversity
16%
Postglacial
15%
polymorphism
15%
refuge
15%
Last Glacial Maximum
15%
population size
14%
population growth
13%
colonization
13%
marker
12%
DNA
11%
North America
11%
sampling
8%
history
8%
Agriculture & Biology
Populus balsamifera subsp. balsamifera
93%
Populus balsamifera
90%
population structure
50%
genomics
36%
nucleotides
16%
ice
11%
population growth
10%
population size
10%
demographic statistics
10%
history
8%
genetic polymorphism
8%
sampling
8%
nucleotide sequences
7%
genetic variation
7%
loci
7%
Medicine & Life Sciences
Populus
100%
Metagenomics
71%
Single Nucleotide Polymorphism
24%
Population Growth
24%
Population
22%
North America
20%
Nucleotides
15%
Ice Cover
15%
Genetic Structures
13%
Genetic Variation
9%
Cluster Analysis
8%
Datasets
7%
History
7%
Demography
6%